Furuno FM-2520 - User Manual

Defines DANGER, WARNING, and CAUTION levels with potential outcomes.

Instructions on not opening unit, not disassembling, and avoiding water/smoke.

Focuses on qualified personnel, power shut-off, and proper grounding for installation.

Congratulates the owner, highlights Furuno's reputation, and product quality.

Lists 25W output, GaAs FET mixer, international channels, dual watch, auto scan, LCD display.

Details communication system, emission class, frequency, temperature, power, dimensions, and weight.

Covers frequency range, receiving system, sensitivity, selectivity, and audio output.

Details frequency range, RF output power, deviation, emissions, and distortion.

Lists items included in the complete set and available accessories with part numbers.

Lists spare parts, installation materials, and optional equipment for the radio.

Precautions on water spray, shock, vibration, and heat during installation.

Describes mounting on overhead, tabletop, or bulkhead with optimal viewing angles.

Step-by-step guide for drilling holes, fixing brackets, and mounting the transceiver unit.

Illustrates connections for external speaker, microphone, handset, antenna, and power.

Guidance on connecting the 12VDC power supply and extending power cables.

Details on selecting and connecting a suitable antenna and coaxial cable.

Instructions for proper grounding and connecting an external speaker.

Identifies and labels the main controls: Power, Squelch, Channel Selector, etc.

Explains functions of Volume, Squelch, Channel Selector, Channel Key, and Shift Key.

Explains CH16/DW, HI/LOW/SPKR, M.RCL/M.SET, and DIMMER keys.

Details the meaning of indicators like INTL, HI/LOW, DW, TX, MEMO, and SPEAKER OFF.

Guides on powering on, selecting channels, and adjusting volume during receiving.

Instructions for adjusting squelch and dimmer for optimal receiving.

How to select between high (25W) and low (1W) transmitter power.

Procedure for checking channels and making calls on Channel 16.

How to switch to a new working channel as instructed by the coastal station.

Explains how to select channels and start the dual watch feature.

Details which keys to press to terminate the dual watch function.

Step-by-step guide to set memory numbers and store channels.

Procedure to enter and set specific channel numbers into memory slots.

How to recall stored memory channels and private channels.

Instructions on initiating channel scanning modes (All Channel, Memory, Private).

Details on Memory Channel Scan and Private Channel Scan modes.

Provides information on scanning time, SHIFT key usage, and signal handling.

Explains which keys to press to terminate the scan mode.

Covers general rules, distress priority, listening before transmitting, and log keeping.

Guidelines on brevity, clarity, call signs, appropriate channel usage, and privacy.

Common usage for important channels like CH16, CH06, CH08, CH12/14, CH20/22.

Explains VHF propagation, factors affecting range, and typical distances.

Instructions for keeping the unit clean and checking plugs for corrosion.

Covers antenna system checks, battery checks, and fuse replacement procedures.

Lists common symptoms, possible causes, and remedies for transceiver issues.

Addresses issues like no audio, poor reception, and TX mark problems.

Solutions for TX mark not appearing, private channel issues, and scan mode locks.

Instructions for running an LCD display self-test to check for missing segments.

Diagram showing all parts of the transceiver with part numbers and codes.

Detailed schematic of the radio's electronic circuits.

Visual representation of the main functional blocks and signal flow of the radio.

Table detailing factory settings for different countries regarding channels, watch, scan, and power.

List of all international VHF channels with their transmit/receive frequencies and usage.

A template for the operator to fill in stored memory channel numbers and remarks.

Template for recording radio communications, including date, time, channel, and operator.

Step-by-step guide on how to make a distress call, including what information to provide.

Formal declaration of the product's conformity with EU R&TTE Directive and relevant standards.